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feature(sniffer): support .dff

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Emmm Monster 2021-05-25 12:27:19 +08:00
parent 3645dd7d01
commit 4bc0a10c09
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1 changed files with 5 additions and 1 deletions
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6
src/decrypt/utils.ts
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@ -12,13 +12,16 @@ export const WMA_HEADER = [
] ]
export const WAV_HEADER = [0x52, 0x49, 0x46, 0x46] export const WAV_HEADER = [0x52, 0x49, 0x46, 0x46]
export const AAC_HEADER = [0xFF, 0xF1] export const AAC_HEADER = [0xFF, 0xF1]
export const DFF_HEADER = [0x46, 0x52, 0x4D, 0x38]
export const AudioMimeType: { [key: string]: string } = { export const AudioMimeType: { [key: string]: string } = {
mp3: "audio/mpeg", mp3: "audio/mpeg",
flac: "audio/flac", flac: "audio/flac",
m4a: "audio/mp4", m4a: "audio/mp4",
ogg: "audio/ogg", ogg: "audio/ogg",
wma: "audio/x-ms-wma", wma: "audio/x-ms-wma",
wav: "audio/x-wav" wav: "audio/x-wav",
dff: "audio/x-dff"
}; };
@ -39,6 +42,7 @@ export function SniffAudioExt(data: Uint8Array, fallback_ext: string = "mp3"): s
if (BytesHasPrefix(data, WAV_HEADER)) return "wav" if (BytesHasPrefix(data, WAV_HEADER)) return "wav"
if (BytesHasPrefix(data, WMA_HEADER)) return "wma" if (BytesHasPrefix(data, WMA_HEADER)) return "wma"
if (BytesHasPrefix(data, AAC_HEADER)) return "aac" if (BytesHasPrefix(data, AAC_HEADER)) return "aac"
if (BytesHasPrefix(data, DFF_HEADER)) return "dff"
return fallback_ext; return fallback_ext;
} }